app.py

import gradio as gr
import time

def generate():
    text = "Hello, this is a demo without using streaming that emulates a model"
    results = ""
    for word in text.split():
        time.sleep(0.2)
        results += word
        results += " "
        yield results
        
with gr.Blocks() as demo:
    btn = gr.Button("Generate")
    out = gr.Textbox(label="Generation", visible=False)

    def change_visibility():
        return {
            out: gr.update(visible=True)
        }

    btn.click(fn=change_visibility, outputs=out)
    btn.click(fn=generate, outputs=out)

demo.launch(debug=True)